Nonstick cooking spray, for coating the parchment
1 small head cauliflower, chopped into florets (about 4 cups)
1 small clove garlic
1/2 teaspoon dried Italian seasoning
1/4 teaspoon crushed red pepper flakes, optional
2 large eggs, beaten
2 cups shredded Cheddar (about 8 ounces)
1 cup shredded Parmesan (about 5 ounces)
Kosher salt and freshly ground black pepper
Marinara sauce, for dipping